442311042 has 32 divisors (see below), whose sum is σ = 891596160. Its totient is φ = 146280320.

The previous prime is 442311011. The next prime is 442311047. The reversal of 442311042 is 240113244.

It is not an unprimeable number, because it can be changed into a prime (442311047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546334 + ... + 547142.

It is an arithmetic number, because the mean of its divisors is an integer number (27862380).

Almost surely, 2^442311042 is an apocalyptic number.

442311042 is an abundant number, since it is smaller than the sum of its proper divisors (449285118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442311042 is a wasteful number, since it uses less digits than its factorization.

442311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 442311042 is about 21031.1921202770. The cubic root of 442311042 is about 761.9198012881.

Adding to 442311042 its reverse (240113244), we get a palindrome (682424286).

The spelling of 442311042 in words is "four hundred forty-two million, three hundred eleven thousand, forty-two".